JPS6021467A - 接地索条の連続性監視装置 - Google Patents

接地索条の連続性監視装置

Info

Publication number
JPS6021467A
JPS6021467A JP59130220A JP13022084A JPS6021467A JP S6021467 A JPS6021467 A JP S6021467A JP 59130220 A JP59130220 A JP 59130220A JP 13022084 A JP13022084 A JP 13022084A JP S6021467 A JPS6021467 A JP S6021467A
Authority
JP
Japan
Prior art keywords
circuit
ground
output
alarm
human body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP59130220A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0436346B2 (enrdf_load_stackoverflow
Inventor
ジヨン・エヌ・アントネビツチ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Simco Co Inc
Original Assignee
Simco Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Simco Co Inc filed Critical Simco Co Inc
Publication of JPS6021467A publication Critical patent/JPS6021467A/ja
Publication of JPH0436346B2 publication Critical patent/JPH0436346B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54Testing for continuity
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25Bioelectric electrodes therefor
    • A61B5/276Protection against electrode failure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52Testing for short-circuits, leakage current or ground faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Alarm Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP59130220A 1983-06-27 1984-06-26 接地索条の連続性監視装置 Granted JPS6021467A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/507,977 US4558309A (en) 1983-06-27 1983-06-27 Ground tether continuity monitor
US507977 1983-06-27

Publications (2)

Publication Number Publication Date
JPS6021467A true JPS6021467A (ja) 1985-02-02
JPH0436346B2 JPH0436346B2 (enrdf_load_stackoverflow) 1992-06-15

Family

ID=24020884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59130220A Granted JPS6021467A (ja) 1983-06-27 1984-06-26 接地索条の連続性監視装置

Country Status (8)

Country Link
US (1) US4558309A (enrdf_load_stackoverflow)
JP (1) JPS6021467A (enrdf_load_stackoverflow)
BE (1) BE900005A (enrdf_load_stackoverflow)
DE (1) DE3423095A1 (enrdf_load_stackoverflow)
FR (1) FR2549233A1 (enrdf_load_stackoverflow)
GB (1) GB2142493B (enrdf_load_stackoverflow)
NL (1) NL8402033A (enrdf_load_stackoverflow)
SE (1) SE8403360L (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016537625A (ja) * 2013-11-21 2016-12-01 デスコ インダストリーズ, インコーポレイテッド 接地監視装置
JP2020030165A (ja) * 2018-08-24 2020-02-27 日本電信電話株式会社 コモンモード電圧測定装置およびコモンモード電圧測定方法

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US5610526A (en) * 1992-11-23 1997-03-11 The Narda Microwave Corp. Contact hazard meter having a human equivalent circuit
US5457596A (en) * 1993-06-24 1995-10-10 Yang; Hsin-Ming Static electricity protection wrist strap
US5408186A (en) * 1993-10-05 1995-04-18 Bakhoum; Ezzat G. Single-conductor wrist strap monitoring
US5677822A (en) * 1995-10-11 1997-10-14 Desco Industries, Inc. Static discharge wristband having substantially universal dual snap connector
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US6229446B1 (en) * 1998-09-02 2001-05-08 David Lloyd-Jones Alarm apparatus
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SE515800C2 (sv) * 1999-01-20 2001-10-08 Ericsson Telefon Ab L M Anordning och förfarande för att snabbstarta en sinusoscillator
US6144303A (en) * 1999-02-01 2000-11-07 Exi Wireless Systems, Inc. Tag and system for patient safety monitoring
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US6762917B1 (en) * 2001-06-12 2004-07-13 Novx Corporation Method of monitoring ESC levels and protective devices utilizing the method
US6930612B1 (en) 2002-10-04 2005-08-16 Credence Technologies, Inc. Device and method of monitoring grounding of personnel and equipment in ESD-sensitive areas
US7330122B2 (en) 2005-08-10 2008-02-12 Remotemdx, Inc. Remote tracking and communication device
US7737841B2 (en) 2006-07-14 2010-06-15 Remotemdx Alarm and alarm management system for remote tracking devices
US7936262B2 (en) 2006-07-14 2011-05-03 Securealert, Inc. Remote tracking system with a dedicated monitoring center
US8797210B2 (en) 2006-07-14 2014-08-05 Securealert, Inc. Remote tracking device and a system and method for two-way voice communication between the device and a monitoring center
US7498818B2 (en) * 2006-08-25 2009-03-03 Schweitzer Engineering Laboratories, Inc. Apparatus and method for detecting a brush liftoff in a synchronous generator rotor circuit
GB2449285B (en) * 2007-05-17 2010-08-11 Newson Gale Ltd Improvements relating to the testing of an earth connection
MX2010009680A (es) 2008-03-07 2011-02-23 Securealert Inc Un sistema y metodo para monitorear individuos utilizando una baliza y un dispositivo de seguimiento remoto inteligente.
US8405940B2 (en) * 2009-10-13 2013-03-26 Schweitzer Engineering Laboratories Inc Systems and methods for generator ground fault protection
US8514070B2 (en) 2010-04-07 2013-08-20 Securealert, Inc. Tracking device incorporating enhanced security mounting strap
JP6267654B2 (ja) * 2012-02-08 2018-01-24 イージージー エルエルシー マルチモード電極ユニットを有するecgシステム
US10182723B2 (en) 2012-02-08 2019-01-22 Easyg Llc Electrode units for sensing physiological electrical activity
CN103884951B (zh) * 2012-12-21 2016-08-10 纬创资通股份有限公司 静电防护装置监控电路及静电防护装置监控系统
US10288688B2 (en) 2014-07-24 2019-05-14 Schweitzer Engineering Laboratories, Inc. Systems and methods for monitoring and protecting an electric power generator
US9496707B2 (en) 2014-12-22 2016-11-15 Schweitzer Engineering Laboratories, Inc. Generator protection element
US10333291B2 (en) 2017-09-25 2019-06-25 Schweitzer Engineering Laboratories, Inc. Multiple generator ground fault detection
US10931097B2 (en) 2017-09-25 2021-02-23 Schweitzer Engineering Laboratories, Inc. Generator stator ground protection using third harmonic
US10797632B2 (en) 2018-08-21 2020-10-06 Schweitzer Engineering Laboratories, Inc. Sensitive directional element for generator protection
US11316455B2 (en) 2019-08-28 2022-04-26 Schweitzer Engineering Laboratories, Inc. Generator rotor turn-to-turn fault detection using fractional harmonics
US10819261B1 (en) 2019-10-25 2020-10-27 Schweitzer Engineering Laboratories, Inc. Security improvements for electric power generator protection
US11631972B2 (en) 2020-12-16 2023-04-18 Schweitzer Engineering Laboratories, Inc. Accurate modeling of equipment overexcitation damage curves
US12249948B2 (en) 2022-08-30 2025-03-11 Schweitzer Engineering Laboratories, Inc. Split-phase protection of generators
US11946966B1 (en) 2023-02-20 2024-04-02 Schweitzer Engineering Laboratories, Inc. Selective stator ground fault protection using positive-sequence voltage reference
US12385965B2 (en) * 2023-11-16 2025-08-12 Desco Industries, Inc. Continuous monitor device having an enhanced visual alarm

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US3040211A (en) * 1959-07-16 1962-06-19 Texaco Inc Apparatus for indicating an electrically grounded condition
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DE2703880C3 (de) * 1977-01-31 1980-01-31 Heinz 6102 Pfungstadt Laass Elektrisches Prüfgerät mit akustischer, quantitativer Analoganzeige für Widerstand und Spannung
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US4188574A (en) * 1978-03-27 1980-02-12 Instrumentation Specialties Company AC Detector for DC ground faults and high capacitance in high-voltage DC power supplies
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016537625A (ja) * 2013-11-21 2016-12-01 デスコ インダストリーズ, インコーポレイテッド 接地監視装置
JP2020030165A (ja) * 2018-08-24 2020-02-27 日本電信電話株式会社 コモンモード電圧測定装置およびコモンモード電圧測定方法

Also Published As

Publication number Publication date
US4558309A (en) 1985-12-10
NL8402033A (nl) 1985-01-16
JPH0436346B2 (enrdf_load_stackoverflow) 1992-06-15
GB8414009D0 (en) 1984-07-04
BE900005A (fr) 1984-10-15
SE8403360L (sv) 1985-02-05
GB2142493A (en) 1985-01-16
GB2142493B (en) 1987-03-04
FR2549233A1 (fr) 1985-01-18
SE8403360D0 (sv) 1984-06-21
DE3423095A1 (de) 1985-01-17

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